Critical MCP Toolbox Vulnerability Impacts Enterprise Database onnectors

A newly disclosed vulnerability, tracked as CVE-2026-9739, is raising security concerns across enterprise environments using MCP Toolbox, particularly those that rely on Server-Sent Events (SSE) for database connectivity. The flaw, currently awaiting NVD enrichment, allows attackers to exploit a DNS rebinding weakness that could lead to unauthorized access to backend systems. Security researchers identified that […] The post Critical MCP Toolbox Vulnerability Impacts Enterprise Database onnectors appeared first on Cyber Security News.